Altera Quartus II Scripting Instrukcja Użytkownika Pobierz pdf (Strona 154)

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101

3–24 Chapter 3: Tcl Packages & Commands

advanced_timing

get_timing_node_info

Usage

get_timing_node_info -info <info> <node>

Options

-info <info>: Type of information

<node>: Node

Description

Returns the requested type of information for the specified timing node.

Available information types include the following:

Information Type Description

name Signal name.

type Type of node (reg, clk, pin, comb).

tsu For a register, returns micro tsu.

th For a register, returns micro th.

tco For a register, returns micro tco.

location Atom location in device.

is_loop Detects whether the node is part of a strongly connected component.

is_clock_inverted Detects whether a register is clocked by an inverted clock.

slack Worst case slack of the node (Available after calling "compute_slack_on_edges")

delay Delay of the node (if any).

is_tan_generated Detects whether the Timing Analyzer (quartus_tan) synthesized the name of the

node.

is_lvds_channel Detects whether node is part of an LVDS circuit.

wysiwyg_port_type Atom's oterm type.

atom_oport Corresponding atom's oterm (if any).

synch_edges Synch edges.

asynch_edges Asynch edges.

clock_edges Clock edges.

fanout_edges Fanout edges.

clock_info Clock information.

internal_location Internal pin location (IOC_ instead of Pin_). Works only for Stratix and newer device

families.

clock_latency For a clock get the early and late clock latency values

is_pll_out Detects whether the node is a PLL clock output

is_clock_pin Detects whether the node is a clock pin

phase_only Phase shift independent of offset for a clock

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